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python Programming Glossary: pt1

calculating angle between two lines in python

http://stackoverflow.com/questions/13226038/calculating-angle-between-two-lines-in-python

when other seems correct. My code is given below def angle pt1 pt2 m1 pt1.getY pt1.getY 1 m2 pt2.getY pt1.getY pt2.getX pt1.getX.. seems correct. My code is given below def angle pt1 pt2 m1 pt1.getY pt1.getY 1 m2 pt2.getY pt1.getY pt2.getX pt1.getX tnAngle.. My code is given below def angle pt1 pt2 m1 pt1.getY pt1.getY 1 m2 pt2.getY pt1.getY pt2.getX pt1.getX tnAngle m1 m2..

What are “named tuples” in Python?

http://stackoverflow.com/questions/2970608/what-are-named-tuples-in-python

as a tuple x y . This leads to code like the following pt1 1.0 5.0 pt2 2.5 1.5 from math import sqrt line_length sqrt pt1.. 1.0 5.0 pt2 2.5 1.5 from math import sqrt line_length sqrt pt1 0 pt2 0 2 pt1 1 pt2 1 2 Using a named tuple it becomes more.. 1.5 from math import sqrt line_length sqrt pt1 0 pt2 0 2 pt1 1 pt2 1 2 Using a named tuple it becomes more readable from..

How do I track motion using OpenCV in Python?

http://stackoverflow.com/questions/3374828/how-do-i-track-motion-using-opencv-in-python

cv.BoundingRect list contour contour contour.h_next pt1 bound_rect 0 bound_rect 1 pt2 bound_rect 0 bound_rect 2 bound_rect.. 0 bound_rect 2 bound_rect 1 bound_rect 3 points.append pt1 points.append pt2 cv.Rectangle color_image pt1 pt2 cv.CV_RGB.. pt1 points.append pt2 cv.Rectangle color_image pt1 pt2 cv.CV_RGB 255 0 0 1 if len points center_point reduce lambda..

Python OpenCV: Detecting a general direction of movement?

http://stackoverflow.com/questions/4496063/python-opencv-detecting-a-general-direction-of-movement

cv.BoundingRect list contour contour contour.h_next pt1 bound_rect 0 bound_rect 1 pt2 bound_rect 0 bound_rect 2 bound_rect.. 0 bound_rect 2 bound_rect 1 bound_rect 3 points.append pt1 points.append pt2 cv.Rectangle color_image pt1 pt2 cv.CV_RGB.. pt1 points.append pt2 cv.Rectangle color_image pt1 pt2 cv.CV_RGB 255 0 0 1 num_points len points if num_points..

Finding shapes in an image using opencv

http://stackoverflow.com/questions/8785664/finding-shapes-in-an-image-using-opencv

1 cv.CV_LOAD_IMAGE_COLOR for x y width height in regions pt1 x y pt2 x width y height if abs float width height E_ratio EPSILON.. color 255 0 0 0 else color 0 0 255 0 cv.Rectangle rgb pt1 pt2 color 2 cv.ShowImage 'rgb' rgb cv.WaitKey 0 e.png y.png..